allow HTML tags in the title of Lesson "content pages"

Moodle 2.2.1+

File <yourmoodle>mod/lesson/pagetypes/branchtable.php line 310: replace

$mform->addElement('text', 'title', get_string("pagetitle", "lesson"), array('size'=>70));

        $mform->setType('title', PARAM_TEXT);

with

$mform->addElement('text', 'title', get_string("pagetitle", "lesson"), array('size'=>70));

if (!empty($CFG->formatstringstriptags)) {

            $mform->setType('title', PARAM_TEXT);

        } else {

            $mform->setType('title', PARAM_CLEANHTML);

Case 1

HTML tags allowed in activity names.

1. Login as an admin
2. Change Appearance ► HTML settings ►"Remove HTML tags from all activity names" to disabled.
3. Goto/create a course
4. Create a lesson
5. Create a content page
6. Enter the title as "<i>Test page</i>" and save
7. Confirm the page title appears italic on the "Edit / Collapsed" page

Case 2

HTML tags NOT allowed

1. Login as an admin
2. Change Appearance ► HTML settings ►"Remove HTML tags from all activity names" to enabled.
3. Confirm the title from Case 1.6 does not appear italic
4. Add a new content page to the lesson
5. Enter the title as "<b>Test page</b>" and save
6. Confirm the page title does not appear bold on the "Edit / Collapsed" page

NOTE: Repeat both test cases on Essay, Multi-choice, Matching, Numerical, True/False, Short answer questions.